1. Data collection in developing countries/   Publication: Oxford : Clarendon P., 1987 . ill. Date:1987 Availability: Copies available: Turkeyen Campus Social Sciences [HA31 .2 C38] (2), Actions: Add to cart
2. Data collection in developing countries /   Publication: Oxford: ELBS/ Clarendon P., 1984 Date:1984 Availability: Copies available: Turkeyen Campus Social Sciences [HA31 .2 C38] (1), Actions: Add to cart
3. Data collection in developing countries /   Publication: New York : Oxford University P., 1981 . xi, 244 p. : Date:1981 Availability: Copies available: Turkeyen Campus Social Sciences [HA31.2 C38] (1), Actions: Add to cart